mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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6ab8af91e0
Add spa based v4l2 pinos module Add allocation params to port_alloc_buffers Let the app do allocation for handles.
109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/* Spa V4l2 support
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* Copyright (C) 2016 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <spa/plugin.h>
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#include <spa/node.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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SpaResult spa_ffmpeg_dec_init (SpaHandle *handle);
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SpaResult spa_ffmpeg_enc_init (SpaHandle *handle);
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static SpaResult
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ffmpeg_dec_init (const SpaHandleFactory *factory,
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SpaHandle *handle)
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{
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if (factory == NULL || handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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return spa_ffmpeg_dec_init (handle);
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}
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static SpaResult
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ffmpeg_enc_init (const SpaHandleFactory *factory,
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SpaHandle *handle)
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{
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if (factory == NULL || handle == NULL)
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return SPA_RESULT_INVALID_ARGUMENTS;
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return spa_ffmpeg_enc_init (handle);
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}
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static const SpaInterfaceInfo ffmpeg_interfaces[] =
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{
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{ SPA_INTERFACE_ID_NODE,
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SPA_INTERFACE_ID_NODE_NAME,
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SPA_INTERFACE_ID_NODE_DESCRIPTION,
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},
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};
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static SpaResult
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ffmpeg_enum_interface_info (const SpaHandleFactory *factory,
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unsigned int index,
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const SpaInterfaceInfo **info)
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{
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if (index >= 1)
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return SPA_RESULT_ENUM_END;
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*info = &ffmpeg_interfaces[index];
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return SPA_RESULT_OK;
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}
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SpaResult
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spa_enum_handle_factory (unsigned int index,
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const SpaHandleFactory **factory)
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{
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static const AVCodec *c = NULL;
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static int ci = 0;
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static SpaHandleFactory f;
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static char name[128];
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av_register_all();
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if (index == 0 || index < ci) {
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c = av_codec_next (NULL);
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ci = 0;
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}
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while (index > ci && c) {
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c = av_codec_next (c);
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ci++;
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}
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if (c == NULL)
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return SPA_RESULT_ENUM_END;
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if (av_codec_is_encoder (c)) {
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snprintf (name, 128, "ffenc_%s", c->name);
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f.init = ffmpeg_enc_init;
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}
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else {
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snprintf (name, 128, "ffdec_%s", c->name);
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f.init = ffmpeg_dec_init;
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}
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f.name = name;
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f.info = NULL;
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f.enum_interface_info = ffmpeg_enum_interface_info;
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*factory = &f;
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return SPA_RESULT_OK;
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}
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